private static void _doAction(HttpContext context, IHttpHandler handler, RoutingAction routeAction)
{
if (routeAction.IsDefAction)
{
handler.ProcessRequest(context);
}
else
{
_invoke(context, handler, routeAction);
}
context.Response.End();
}
private static void RoutingHandler(HttpContext context, string url)
{
Routing routing = null;
RoutingAction routeAction = null;
DateTime Lastest = Directory.GetLastWriteTime(context.Server.MapPath(url));
string methodName = context.Request.Params[actionParam];
methodName = string.IsNullOrWhiteSpace(methodName) ? "" : methodName.Trim();
string key = "&" + methodName;
if ((routing = cache.ReadRouting(url)) != null)
{
if ((routeAction = cache.ReadAction(url, key)) == null || routeAction.modifyDate != Lastest)
{
if (routing.modifyDate != Lastest)
{
routing.handler = hf.GetHandler(context, context.Request.RequestType, url, "");
if (routing.handler.IsReusable)
{
routing.modifyDate = Lastest;
}
}
routeAction = getRoutingAction(routing.handler, methodName, context);
routeAction.modifyDate = Lastest;
if (routing.handler.IsReusable)
{
cache.AddOrUpdateAction(url, key, routeAction);
}
}
}
else
{
routing = new Routing();
routing.handler = hf.GetHandler(context, context.Request.RequestType, url, "");
routing.modifyDate = Lastest;
routeAction = getRoutingAction(routing.handler, methodName, context);
routeAction.modifyDate = Lastest;
routing.actions = new Dictionary <string, RoutingAction>();
routing.actions.Add(key, routeAction);
if (routing.handler.IsReusable)
{
cache.AddRouting(url, routing);
}
}
_doAction(context, routing.handler, routeAction);
}
private static RoutingAction getRoutingAction(IHttpHandler handler, string methodName, HttpContext context)
{
RoutingAction routeAction = new RoutingAction();
if (!string.IsNullOrWhiteSpace(methodName))
{
routeAction.action = handler.GetType().GetMethod(methodName);
if (routeAction.action != null)
{
routeAction.actionName = methodName;
routeAction.IsDefAction = false;
object[] attr = routeAction.action.GetCustomAttributes(new RoutingMethodAttribute().GetType(), false);
var param = routeAction.action.GetParameters();
if (attr.Length > 0)
{
routeAction.param = param;
routeAction.attribute = (RoutingMethodAttribute)attr[0];
routeAction.returnType = routeAction.action.ReturnParameter;
}
else
if (param.Length != 1 || (param.Length == 1 && !param[0].ParameterType.Equals(context.GetType())))
{
throw new HttpException(500, "访问未标记RoutingMethod特性的方法时请确认方法只有一个HttpContext类型参数，否则请对方法标记RoutingMethod特性。");
}
}
else
{
string msg = string.Format("方法'{0}'不可访问，请检查方法是否定义或受保护级别限制。", methodName);
throw new HttpException(500, msg, new HttpUnhandledException().InnerException);
}
}
else
{
routeAction.IsDefAction = true;
}
return(routeAction);
}
protected void createRoutePoint(MapPos pos, String name,
double time, double distance, RoutingAction action, LocalVectorDataSource ds)
{
MarkerStyle style = instructionUp;
String str = "";
switch (action)
{
case RoutingAction.RoutingActionHeadOn:
str = "head on";
break;
case RoutingAction.RoutingActionFinish:
str = "finish";
break;
case RoutingAction.RoutingActionTurnLeft:
style = instructionLeft;
str = "turn left";
break;
case RoutingAction.RoutingActionTurnRight:
style = instructionRight;
str = "turn right";
break;
case RoutingAction.RoutingActionUturn:
str = "u turn";
break;
case RoutingAction.RoutingActionNoTurn:
case RoutingAction.RoutingActionGoStraight:
// style = instructionUp;
// str = "continue";
break;
case RoutingAction.RoutingActionReachViaLocation:
style = instructionUp;
str = "stopover";
break;
case RoutingAction.RoutingActionEnterAgainstAllowedDirection:
str = "enter against allowed direction";
break;
case RoutingAction.RoutingActionLeaveAgainstAllowedDirection:
break;
case RoutingAction.RoutingActionEnterRoundabout:
str = "enter roundabout";
break;
case RoutingAction.RoutingActionStayOnRoundabout:
str = "stay on roundabout";
break;
case RoutingAction.RoutingActionLeaveRoundabout:
str = "leave roundabout";
break;
case RoutingAction.RoutingActionStartAtEndOfStreet:
str = "start at end of street";
break;
}
if (str != "")
{
Marker marker = new Marker(pos, style);
BalloonPopup popup2 = new BalloonPopup(marker, balloonPopupStyleBuilder.BuildStyle(),
str, "");
ds.Add(popup2);
ds.Add(marker);
}
}
private static void _invoke(HttpContext context, IHttpHandler handler, RoutingAction routeAction)
{
if (routeAction.attribute == null)
{
routeAction.action.Invoke(handler, new object[] { context });
}
else
{
object[] obj = new object[routeAction.param.Length];
NameValueCollection urlParams = new NameValueCollection();
if (routeAction.attribute.UseHttpGet)
{
urlParams = context.Request.QueryString;
}
else
{
urlParams = context.Request.Form;
}
int i = 0;
foreach (var p in routeAction.param)
{
string urlParam = urlParams.Get(p.Name);
Type type;
if (p.IsOut || p.ParameterType.IsByRef)
{
type = p.ParameterType.Assembly.GetType(p.ParameterType.FullName.TrimEnd('&'));
}
else
{
type = p.ParameterType;
}
if (urlParam == null)
{
string msg = string.Format("参数不能为空", p.Name);
throw new ArgumentException(msg, p.Name);
}
if (type.Equals(urlParam.GetType()))
{
obj.SetValue(urlParam, i++);
}
else
{
try
{
if (type.IsPrimitive)
{
obj.SetValue(Convert.ChangeType(urlParam, type), i++);
}
else
{
obj.SetValue(j.ConvertToType(j.Deserialize <object>(urlParam), type), i++);
}
}
catch (Exception e)
{
string msg = string.Format("无法将 {0} 转换为 {1}", urlParam, type.FullName);
throw new ArgumentException(msg, p.Name);
}
}
}
object result = routeAction.action.Invoke(handler, obj);
if (routeAction.attribute.JSONSerializeString)
{
context.Response.ContentType = "text/json";
}
else
{
context.Response.ContentType = "text/plain";
}
if (result != null && result.GetType().Equals(typeof(string)))
{
try
{
result = j.Deserialize <object>((string)result);
}
catch (Exception e) {}
}
if (!routeAction.returnType.ParameterType.Equals(typeof(void)))
{
context.Response.Write(j.Serialize(new { result }));
}
}
}
